Ready-to-use or Powder/Liquid Bioceramic Sealer: Micro-CT analysis of root canal filling removal according to ultrasonic agitation
Year: 2025
Type: article
Abstract: Background: This study evaluated the effectiveness of ultrasonic agitation in removing residual root canal filling material (RFM) from mandibular molars with isthmuses and to assess the influence of different bioceramic endodontic sealers, Bioroot RCS (BCS), and EndoSequence BC Sealer (ESBC).Material and Methods: Forty human mandibular molars were prepared with Reciproc R25 and divided based on the obturation material.The retreatment was performed (Reciproc R40) and the roots were randomly divided between agitation protocols (PUI/CUI) using a large solution volume (60 mL/canal).Results: The percentage reduction of RFM was measured after agitation.Ultrasonic agitation resulted in a percentage reduction of RFM ranging from 54.39% to 68.10% in the total area, and from 56.25% to 73.21% in the apical third (P < .05).No significant differences were found related to sealer type or activation protocol (P > .05).Conclusions: While none of the protocols completely removed RFM, ultrasonic agitation proved effective in its reduction, independent of the sealer presentation and agitation method used.
DOI: 10.4317/jced.62728
Institutions: Universidade Federal do Ceará, Universidade de São Paulo
Language: English
Subfield: Oral Surgery
Field: Dentistry
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W4414543428
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